Nathan Poss has over 20 years of experience in both the public and private sector. His focus is to provide clients with a comprehensive range of services, including: legislative drafting and tracking, policy development, governmental lobbying (at all levels), strategy development, and business procurement.



Prior to forming JohnsonPossKirby Government Relations in 2007, Nathan served as a principal at Smith Johnson & Carr, focusing on lobbying efforts for the firm's business clients and taking the lead on procurement strategies.



Before entering into the lobbying world, Nathan served seven years on Capitol Hill as a legislative assistant to then Speaker Pro Tempore of the Senate, State Senator Bob Rochelle. During his tenure with the state, he played an important part in writing and developing legislation, organizing political strategies, building coalitions, and monitoring legislation for committees. Poss has also been actively involved in numerous successful political campaigns.



Poss has built a reputation of hard work and respect among those on Capitol Hill. Working with major players in the state's business community, he has served as a key strategist on major environmental and tax issues. Nathan has garnered a reputation for producing tangible results through well-executed and intricate lobbying efforts designed to achieve long lasting success for his clients.

In addition to his lobbying successes, Nathan has extensive experience with the procurement process in Tennessee. Recently recognized by the TN Report for being known as an "expert in the state's purchasing practices," Nathan has cultivated the necessary connections with top-level decision makers throughout all areas of state government. Throughout his practice he has developed a strong grasp of the state's purchasing processes, and has successfully secured multi-million dollar purchases for numerous clients.

Nathan is a graduate of Cumberland University with a B.A. in Social Science. A native Tennessean, Nathan grew up in Lebanon and currently lives in Green Hills with his wife Molly.

Trammel began his time in Tennessee State politics as a key legislative liaison for the Department of Finance and Administration under Governor Haslam. During this time, he worked on the state's budget process, information systems and insurance plans and served as a vital link to the General Assembly on several topline legislative priorities.

Trammel transitioned to the private sector after the Haslam Administration to serve as a senior government relations advisor at Butler Snow. There he leveraged strategic procurement to create open channels of communication with top decision-makers and lobbied a variety of issues including health care, insurance and telecommunications.

Trammel is an alumna of the University of Tennessee–Knoxville, where he graduated magna cum laude and received his law degree from the University of Memphis. He has been listed among Ones to Watch in government relations practice by Best Lawyers in America®.

Originally from Brentwood, Trammel lives in Franklin. Outside the office, you can catch him at one of his kids' sporting events or out on the golf course.

6-10 years

I have been recognized by the Nashville Post list of In-Charge: Government & Politics for 2019, 2020, 2021, and 2022

Our firm was recognized nationally by the Public Relations Society of America for our comprehensive public affairs campaign to bring Major League Soccer to Nashville

Mark Cate is the Founder and President of Stones River Group, a Nashville-based public affairs firm serving both Tennessee, regional and national clients. He formerly served as Tennessee Governor Bill Haslam's chief of staff, where he was his top advisor, strategist and negotiator.

During his tenure with the Haslam Administration, Mark led several legislative policy initiatives, including K-12 education reform, workers' compensation reform, civil service reform, an alternative approach to Medicaid expansion, and postsecondary education reform, including the nationally-acclaimed Tennessee Promise program.

Prior to serving in state government, Mark successfully managed Governor Haslam's first gubernatorial campaign in 2010, which led to a record-setting general election victory. He previously worked as an executive in real estate management and development and served for 16 years as a higher education leader. Over the course of his career, Mark has served as a chief development officer, chief planning officer, chief marketing officer, and as a chief financial officer—working on budgets ranging from $10 million to $30 billion.

Mark grew up in Maryville, TN and currently lives in Brentwood with his wife Cathy who serves as the Executive Director of Leadership Tennessee. He and Cathy have two daughters, Bailey who is a recent graduate at Rhodes College and currently serves as a fellow at the Crop Trust in Bonn, Germany; and Abbie who is rising junior at George Washington University.

Cate received a B.S from Carson-Newman College, an M.S from the University of Tennessee, and Harvard University's Institute for Educational Management certificate program. He's served on a wide variety of non-profit boards and was an elected member of the Maryville Board of Education.

The TAG network consists of the top lobbying firms across the US, public affairs specialists in various countries and specialty services.

US Members:
50-States
DC Council
US Congress

International:
Profile Consulting (Aust) Pty Ltd (Australia)
Tactix (Canada)
Monarch Global Strategies (Mexico, Central & South America)
Kesarev (Russia, CIS, Central Asia, Central & Eastern Europe, Turkey & Israel)
Instinctif Partners (United Kingdom & the European Union)

Specialty members:
Five Corners Strategies (Grassroots Advocacy & Public Affairs)
FOCUS, a Leonine Business (50-State Legislative & Regulatory Tracking & Analysis)
Select Litigation (Jury Selection)
Bullpen, LLC (Market Entry Strategy)
The Virtuous Cycle Collaboratory (Social Enterprise Business Development)
Law Offices of Mitchell D. Gravo, Inc. (Specialty Member)

0-5 years

Chris Gobble is a respected government affairs specialist with deep issue expertise and a broad base of policymaker and stakeholder relationships. He leverages his insights into the state General Assembly, Tennessee executive branch, and local governments to help SRG clients navigate complex political challenges and effectively advance meaningful policy solutions.

Prior to joining SRG, Chris served as senior director of public policy for the Chattanooga Area Chamber of Commerce, where he helped drive policy changes and facilitate government affairs efforts for 2,000 businesses representing over 180,000 employees. He also regularly and effectively collaborated with local, state, and federal elected officials to advance Chattanooga's status as a leader in education, workforce, and economic development.

Prior to Gobble's tenure in Chattanooga, he was the legislative and policy director for the Tennessee Department of Safety and Homeland Security. In this role, Gobble worked closely with Governor Bill Haslam's office and the state legislature to develop and implement a variety of public policy initiatives.

Originally from Bradley County, Chris earned a B.A. in Political Science and Communications from Lipscomb University. He and his wife Sarah live in Nashville.

6-10 years

Stephen Susano is the Co-Founder and COO of Stones River Group, a Nashville-based public affairs firm serving both Tennessee, regional and national clients. He provides clients with strategic counsel on business opportunities and project management, regulatory matters, procurement, economic development, third-party engagement, and market positioning. Stephen leverages his lengthy private-sector experience and deep network of relationships with business leaders and key policymakers in state and local government across Tennessee to deliver solutions for clients in multiple industries.

Prior to Stones River Group, Stephen served as Executive Director of the Tennessee Business Partnership (TBP), an advocacy organization supported by many of the state's leading enterprises. He spearheaded its efforts to advance pro-business policies, including education and judicial reforms, to encourage job growth and economic development. In 2014, Stephen led the statewide "Vote Yes on 2" campaign in support of the Judicial Selection Amendment to the Tennessee constitution. Stephen built a broad coalition of business groups, trade associations, legal advocates and community leaders in favor of the amendment. This coalition's successful mobilization helped ensure the amendment was approved with overwhelming support, carrying 94 out of 95 counties in Tennessee

Prior to working in the public affairs space, Stephen had an extensive career in the financial services industry. He served in operating and business development roles for several investment advisers and asset management firms. He has consulted with and raised capital for both U.S. and foreign-based investment firms, and has negotiated distribution and trading agreements with multiple financial services companies. Through his work, Stephen navigated complex regulatory regimes in domestic and offshore jurisdictions

Stephen grew up in Knoxville, Tennessee and currently lives in Brentwood with his wife, Ana. He and Ana have four children. Stephen serves on the board of the Nashville Downtown Partnership.

0-5 years

A veteran campaign and policy analyst with more than a decade of high-level experience, Don Johnson leads SRG's extensive research and reporting efforts. In this role, Don provides clients with unmatched insights into policy debates, state and national political campaigns, and other public affairs intelligence to help inform business and legislative objectives.

Don launched his career as the Executive Director of the Republican Party of Shelby County where he recruited and trained volunteers for campaigns, helped to organize record-breaking fundraising events, dramatically grew e-mail advocacy reach, and put his organization at the forefront of emerging technology.

After leaving the Republican Party of Shelby County, Don was tapped to join the district staff of then-U.S. Representative Marsha Blackburn (TN-07), helping constituents navigate the complexities of federal agencies. He moved to Nashville in 2012 to join the Haslam Administration, climbing the ranks to become the governor's head of constituent services and community relations, a role that allowed Don to leverage his knowledge of the breadth of state agencies and services to provide referrals and support to constituents.

In 2019, Don was asked to continue leading the Constituent Services office for Governor Bill Lee, solidifying his reputation as one of the country's longest-serving constituent services directors who has been routinely called upon to give presentations and offer guidance to gubernatorial administrations in other states.

20+ years

Katie has been working on Capitol Hill and in other functions of state politics since 2007. Katie has worked in the office of United States Senator Lamar Alexander, as well as the Office of Governor Bill Haslam.

During her tenure in Governor Haslam's office, Katie was instrumental in the governor's Drive to 55 Initiative, helping shepherd key legislation such as the Tennessee Promise and the FOCUS Act.

While working as Director of Legislation, Katie advised the governor, his senior staff, and twenty-three state agencies on political strategy and legislative affairs.

Prior to joining the JohnsonPossKirby team, Katie worked as Senior Advisor of Government Affairs and Economic Development at Bradley Arant Boult Cummings, LLP.

Katie graduated from the University of Tennessee at Martin in 2008. She continues to serve her alma mater as a member of the Advisory Board.

Katie lives in Franklin with her husband, Luke, and daughters Ryall and Mackie.

Holly Salmons Kirby is a principal with JohnsonPossKirby Government Relations. She has been working on the hill and in other functions of state politics since 2000. Kirby served as an intern for the Senate Transportation Committee during the 102nd General Assembly. There she worked on key pieces of legislation such as fiber optic right-of-way for the Intelligent Transportation System and primary restraint. Kirby attended the University of Tennessee at Martin and Western Kentucky University where she received her Bachelor of Arts in Political Science. After graduating from Western Kentucky, she served as one of the field coordinators for Andy Womack's gubernatorial campaign. In this capacity, she managed all volunteer efforts, coordinated supporter databases, and assisted the candidate at events across the state.

Holly began her lobbying career when she interned for the firm of Smith Johnson & Carr in 2002. She returned to the firm as an associate for Bo Johnson in 2003. In this capacity, she worked on many issues ranging from outdoor advertising and railroads to manufacturing and alcoholic beverages. In 2006, Kirby worked with key legislators and railroad representatives to pass legislation strengthening the railroad trespassing laws.

In 2007, Holly accepted the position of Senior Associate with the new firm, JohnsonPoss Government Relations. In this capacity she continued to focus on the wide range of business issues she had worked on previously while expanding her work scope to include a variety of education issues. In 2010, Holly accepted the offer to become a principal in the firm.

6-10 years

As a seasoned and respected government relations professional, Garrett has built a reputation for hard work and tireless advocacy for his clients. Having previously worked in both the Legislative and Executive branches of Tennessee state government, as well as the private sector in Nashville, his work experience affords him a unique perspective.

Garrett started his legislative career as a Policy and Research Analyst for former House Majority Leader Gerald McCormick where he forged deep and long-lasting relationships with legislators and legislative staff.
Garrett later transitioned to Governor Bill Haslam's office where he became his Deputy Director for Legislation and managed a network of agency and department liaisons. Prior to creating his
own firm, Garrett spent four years at The Ingram Group where he provided strategic counsel and government relations expertise to a wide collection of clients at the state and local levels.

In the summer of 2022, Garrett created his own government relations practice, Johnson Capitol Solutions LLC, where he leverages his vast experience and insight into Tennessee state government to help clients take advantage of opportunities and solve problems in any given arena.

20+ years

With more than 20 years of experience shaping public policy and ensuring its enactment and implementation, Mack represents clients in critical issues ranging from zoning and permitting to tax incentives and environmental regulations. He has served two Tennessee governors, and throughout this career has demonstrated keen insight into the political process, developing long-term relationships with members of both parties.

20+ years

Martindale-Hubbell
    AV -Preeminent Peer Review Rated
Best Lawyers in America
    Insurance Law, 2007-2022
    Government Relations Practice, 2015-2022
    Lawyer of the Year, Insurance Law (Nashville), 2018
    Lawyer of the Year, Government Relations Practice (Nashville), 2020, 2022
Nashville 101 Top Lawyers, Nashville Post Magazine, 2011
In Charge list, Government/Politics, Nashville Post, 2010
150 Best Lawyers, Business Tennessee, 2009
Best of Bar, Nashville Business Journal
Trustee, Harpeth Hall School
Former Board of Directors, Women's Fund of Nashville, Community Foundation of Middle of Tennessee
Former Board Member, Book 'Em
Former Alumnae Board Member, Harpeth Hall School
Former Board Member, Jade's Fund, Vanderbilt Children's Hospital
Tennessee Lobbyist Association
Former Member, Board of Directors

Prior to joining JohnsonPossKirby in 2017, Luke served Capitol Hill in the Tennessee General Assembly, the Department of Finance and Administration, and the Office of Governor Bill Haslam.

Luke began working in politics in 2009 for Representative Pat Marsh and then joined Governor Haslam's office in February of 2011. During his tenure there, Luke helped shepherd the Governor's signature legislation through the legislative process. These initiatives include teacher tenure reform, tort reform, the TEAM Act, the Prescription Safety Act, and TN Promise to name a few. In 2015, Luke left the Governor's office to join Commissioner Larry Martin and the Department of Finance and Administration.In his role as Legislative Liaison, Luke was responsible for communicating with the legislature on behalf of Commissioner Martin and the divisions within the department. Luke worked with the Commissioner, Strategy Technology Solutions (STS), Benefits Administration, and the Division of Budget to achieve the department's goals and facilitate a strong working relationship between the department and General Assembly.

In addition to his work with the F&A divisions, Luke played a role in preparing the Governor's Budget and advocating for its approval in the General Assembly. These budgets included the largest tax cut in state history, two debt free budgets, and significant investments in recruiting jobs.Luke and his wife, Katie, live in Franklin with their two daughters, Ryall and Mackie.